Venkat$ echo

For a non-R programmers some of the R data-types might be a bit confusing. R Non-R InR, vector and list and arrays are different and has different properties. List can be named or un-named Un-named list are Arrays Named lists are dictionary However Array and Dictionary can contain another Array or a dictionary, but its still called Arrays and dictionaries. Vector Simplest form of R object All values in a vector should be of same obj/class. However they cant contain another vector or array or list. (non-R programmers terms) its like array but with all values in the array having same data-types List It is like a vector but can contain any obj/class. class also have named attributes. can contain list within a list etc. (non-R programmers terms) its like array (if not named) and dictionaries( if named) Array Its a list with one, two or more dimensions dimensions can be named (non-R programmers te